北師大版高中英語新教材(選擇性必修第三冊)課文（Unit9|LESSON1)Lesson1ToCloneornottoClone?

第一課克隆還是不克隆1.________(克隆)istheprocessofmakinganexact2.________(復(fù)制)ofaplantoranimalanddevelopingiteithernaturallyor3.___________(人工的).Naturalcloninghasbeengoingonforgenerations.Forexample,gardenershavebeenusingaformofcloningwhentheytakeacuttingfromaplantandplaceitinasuitablemedium,suchassoil.Anotherexampleofnaturalcloningis4.________(完全相同的)5.________(雙胞胎),whoareproducedfromthesameegg.Foryears,therehadbeenattemptstocloneanimalsartificially.ThefirstsuccessfullyclonedanimalwasasheepnamedDollyin1996.Atfirst,Dollygrewnormally,butlatershedevelopedanillnessthatismorenormallyfoundinmucholderanimals.Shelivedforsixandahalfyears,onlyhalfthelifeofthesheepfromwhichshewascloned.AfterDolly,scientistshaveclonedmorethan206._________(哺乳動(dòng)物)species,including7.________(駱駝),8.______(牛),deer,dogs,9.________(山羊)andmice.However,theyhavefoundasimilarpatternofhealthproblemswiththeseotherspeciesaswell.Thishasledtoquestionssuchas,“Willthisbeamajorissueforallclonedanimals?”“Willitcontinuetohappen10.________(永遠(yuǎn))?”.InJanuary2018,thecloningoftwolong-tailedmonkeys,ZhongZhongandHuaHua,wasannouncedbyChinesescientists.Theywerethefirst-ever11._________(靈長目動(dòng)物)(theorderofmammalswhichinclude12._______(猿),monkeys,andhumans)tohavebeencloned!In13._____________(比較)withotherspecies,cloningprimateshasprovedtobe“muchharder”,anddoingsowithnon-14.____________(繁殖的)cellswasevenmorecomplicated.Dr.SunQiang,directoroftheresearchteam,saidtheyhadbeen15._______(完全的)devotedtotheresearchandhadbeentakingcareofmorethan1,000monkeys24hoursaday,7daysaweekformorethan5years.Therehadbeenanumberoffailuresbeforetheyeventuallyfoundawaytosuccessfullycloneamonkey.Thereasontheyworkedsohardtobreakthistechnical16.________(障礙)wastogetanimalswith17.________(編輯)18._________(基因)andproduceanimalmodelsthatarehelpfulformedicalresearchandhumanhealth.Thesuccessfulcloningofprimateshasledtoworldwidepraiseasahugebreakthroughthatmightleadtocuresforvariousdiseasesandmayalsooffer19.__________(線索)onhowtopreventtheagingprocess.Withthistechnology,wehavethepotentialtoraisealargenumberofmonkeyswithidenticalgenesinashortamountoftime,andwecanevenchangetheirgenestosuitresearchneeds.Thiscouldhelpsaveresearchtime,reducethenumberofanimalsrequiredfortesting,producemore20._________(準(zhǔn)確的)results,andleadtomoreeffectivetreatments.Cloning,however,continuestobeanissuethatcausesagreatdealofdisagreementand21.___________(引起)strong22._________(感情).Whilesomepeoplebelieveitis23.__________(至關(guān)重要的)forscientific24.____________(進(jìn)步),othersraisemoralconcerns.Theybelieveitis25.___________(肯定會)toleadtocloningofotherspecies,andtheyworryaboutthe26.__________(關(guān)于倫理的)questionsthisraises.Forexample,theywonderifclonesshouldbetreatedasobjectsorasindividualswiththeirownidentity.Furthermore,clonesmaybeviewedas27._________(僅僅)copiesoforiginalsthusbeingseenas28.________(低級的，差的).Finally,theyworrythatsomeorganisationsmay29.__________(濫用)thetechnologyfor30._____________(不道德的)purposes.Sofar,itisstillunknownwhatwillhappentoZhongZhongandHuaHuaastheygrowup.Researchersinsistthatthescienceofcloningshouldbefurtherexploredandadvanced.AsEinsteinsaid,“Scienceisapowerfulinstrument.Howitisused,whetheritisa31.__________(幸運(yùn))ora32._________(禍根)tomankind,dependsonmankindandnotontheinstrument.Aknifeisuseful,butitcanalsokill.”短語Cloningistheprocessofmakinganexactcopyofaplantoranimalanddevelopingiteithernaturallyorartificially.Naturalcloninghasbeengoingon1._____________________(很久).Forexample,gardenershavebeenusingaformofcloningwhentheytakeacuttingfromaplantandplaceitinasuitablemedium,suchassoil.Anotherexampleofnaturalcloningisidenticaltwins,whoareproducedfromthesameegg.Foryears,there2.____________________(嘗試)tocloneanimalsartificially.ThefirstsuccessfullyclonedanimalwasasheepnamedDollyin1996.Atfirst,Dollygrewnormally,butlatershedevelopedanillnessthatismorenormallyfoundinmucholderanimals.Shelivedforsixandahalfyears,onlyhalfthelifeofthesheepfromwhichshewascloned.AfterDolly,scientistshaveclonedmorethan20mammalspecies,includingcamels,cattle,deer,dogs,goatsandmice.However,theyhavefoundasimilarpatternofhealthproblemswiththeseotherspeciesaswell.Thishasledtoquestionssuchas,“Willthisbeamajorissueforallclonedanimals?”“Willitcontinuetohappenforever?”.InJanuary2018,thecloningoftwolong-tailedmonkeys,ZhongZhongandHuaHua,wasannouncedbyChinesescientists.Theywerethefirst-everprimates(theorderofmammalswhichincludeapes,monkeys,andhumans)tohavebeencloned!3.__________________(對比)otherspecies,cloningprimateshasprovedtobe“muchharder”,anddoingsowithnon-reproductivecellswasevenmorecomplicated.Dr.SunQiang,directoroftheresearchteam,saidthey4.________________________________(全身心地投入)theresearchandhadbeentakingcareofmorethan1,000monkeys24hoursaday,7daysaweekformorethan5years.Therehadbeenanumberoffailuresbeforetheyeventuallyfoundawaytosuccessfullycloneamonkey.Thereasontheyworkedsohardtobreakthis4._______________(技術(shù)壁壘)wastogetanimals5._______________________(經(jīng)過基因編輯的)andproduceanimalmodelsthatarehelpfulformedicalresearchandhumanhealth.Thesuccessfulcloningofprimateshasledto6.__________________(世界贊譽(yù))asa7.________________(巨大的突破)thatmightleadtocuresforvariousdiseasesandmayalsooffercluesonhowto8.___________________________(延緩衰老進(jìn)程).Withthistechnology,we9.___________________________(有可能)raisealargenumberofmonkeyswithidenticalgenesinashortamountoftime,andwecanevenchangetheirgenesto10.________________(適應(yīng)研究需要).Thiscouldhelpsaveresearchtime,reducethenumberofanimalsrequiredfortesting,producemoreaccurateresults,andleadtomoreeffectivetreatments.Cloning,however,continuestobeanissuethatcausesagreatdealofdisagreementand11.______________________(激起強(qiáng)烈的反對情緒).Whilesomepeoplebelieveitiscrucialforscientificadvancement,othersraisemoralconcerns.Theybelieveit12.________________(必定)leadtocloningofotherspecies,andtheyworryaboutthe13.________________(倫理問題)thisraises.Forexample,theywonderifclonesshouldbetreatedasobjectsorasindividualswiththeirownidentity.Furthermore,clonesmaybeviewedasmerecopiesoforiginalsthusbeingseenasinferior.Finally,theyworrythatsomeorganisationsmay14.__________________(濫用技術(shù))for15.__________________(不道德的目的).Sofar,itisstillunknownwhatwillhappentoZhongZhongandHuaHuaastheygrowup.Researchersinsistthatthescienceofcloningshouldbefurtherexploredandadvanced.AsEinsteinsaid,“Scienceisapowerfulinstrument.Howitisused,whetheritisablessingoracursetomankind,dependsonmankindandnotontheinstrument.Aknifeisuseful,butitcanalsokill.”語法填空Cloningistheprocessofmakinganexactcopyofaplantoranimalanddevelopingiteithernaturallyorartificially.Naturalcloninghasbeengoing1._______forgenerations.Forexample,gardenershavebeenusingaformofcloningwhentheytakeacuttingfromaplantandplaceitinasuitablemedium,suchassoil.Anotherexampleofnaturalcloningis2.___________(identify)twins,whoareproducedfromthesameegg.Foryears,therehadbeenattemptstocloneanimalsartificially.Thefirst3.____________(successful)clonedanimalwasasheepnamedDollyin1996.Atfirst,Dollygrewnormally,butlatershedevelopedanillnessthatismorenormallyfoundinmuch4._________(old)animals.Shelivedforsixandahalfyears,onlyhalfthelifeofthesheepfrom5.____________shewascloned.AfterDolly,scientistshaveclonedmorethan20mammalspecies,includingcamels,cattle,deer,dogs,goatsandmice.However,theyhavefoundasimilarpatternofhealthproblemswiththeseotherspeciesaswell.Thishasledtoquestionssuchas,“Willthisbeamajorissueforallclonedanimals?”“Willitcontinuetohappenforever?”.InJanuary2018,thecloningoftwolong-tailedmonkeys,ZhongZhongandHuaHua,wasannouncedbyChinesescientists.Theywerethefirst-everprimates(theorderofmammalswhichincludeapes,monkeys,andhumans)tohavebeencloned!Incomparisonwithotherspecies,cloningprimateshasprovedtobe“muchharder”,and6.____________(do)sowithnon-reproductivecellswasevenmorecomplicated.Dr.SunQiang,directoroftheresearchteam,saidtheyhadbeenwhollydevotedtotheresearchandhadbeentakingcareofmorethan1,000monkeys24hoursaday,7days7._____weekformorethan5years.Therehadbeenanumberoffailuresbeforetheyeventuallyfoundawaytosuccessfullycloneamonkey.Thereasontheyworkedsohardtobreakthistechnicalbarrierwastogetanimalswith8.__________(edit)genesandproduceanimalmodelsthatarehelpfulformedicalresearchandhumanhealth.Thesuccessfulcloningofprimateshasledtoworldwidepraiseasahugebreakthroughthatmightleadto9._______(cure)forvariousdiseasesandmayalsooffercluesonhowtopreventtheagingprocess.Withthistechnology,wehavethepotentialtoraisealargenumberofmonkeyswithidenticalgenesinashortamountoftime,andwecanevenchangetheirgenestosuitresearchneeds.Thiscouldhelpsaveresearchtime,reducethenumberofanimalsrequiredfortesting,producemoreaccurateresults,andleadtomoreeffectivetreatments.Cloning,however,continuestobeanissuethat10._________(cause)agreatdealofdisagreementandprovokesstrongemotions.Whilesomepeoplebel